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Просмотр файла: FileAppendTransaction.cjs
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _Hbar = _interopRequireDefault(require("../Hbar.cjs"));
var _Transaction = _interopRequireWildcard(require("../transaction/Transaction.cjs"));
var utf8 = _interopRequireWildcard(require("../encoding/utf8.cjs"));
var _FileId = _interopRequireDefault(require("./FileId.cjs"));
var _TransactionId = _interopRequireDefault(require("../transaction/TransactionId.cjs"));
var _Timestamp = _interopRequireDefault(require("../Timestamp.cjs"));
var _List = _interopRequireDefault(require("../transaction/List.cjs"));
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/*-
*
* Hedera JavaScript SDK
*
* Copyright (C) 2020 - 2022 Hedera Hashgraph, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/**
* @namespace proto
* @typedef {import("@hashgraph/proto").proto.ITransaction} HashgraphProto.proto.ITransaction
* @typedef {import("@hashgraph/proto").proto.ISignedTransaction} HashgraphProto.proto.ISignedTransaction
* @typedef {import("@hashgraph/proto").proto.TransactionBody} HashgraphProto.proto.TransactionBody
* @typedef {import("@hashgraph/proto").proto.ITransactionBody} HashgraphProto.proto.ITransactionBody
* @typedef {import("@hashgraph/proto").proto.ITransactionResponse} HashgraphProto.proto.ITransactionResponse
* @typedef {import("@hashgraph/proto").proto.IFileAppendTransactionBody} HashgraphProto.proto.IFileAppendTransactionBody
* @typedef {import("@hashgraph/proto").proto.IFileID} HashgraphProto.proto.IFileID
*/
/**
* @typedef {import("../channel/Channel.js").default} Channel
* @typedef {import("../client/Client.js").default<Channel, *>} Client
* @typedef {import("../account/AccountId.js").default} AccountId
* @typedef {import("../transaction/TransactionResponse.js").default} TransactionResponse
* @typedef {import("../schedule/ScheduleCreateTransaction.js").default} ScheduleCreateTransaction
*/
/**
* A transaction specifically to append data to a file on the network.
*
* If a file has multiple keys, all keys must sign to modify its contents.
*/
class FileAppendTransaction extends _Transaction.default {
/**
* @param {object} [props]
* @param {FileId | string} [props.fileId]
* @param {Uint8Array | string} [props.contents]
* @param {number} [props.maxChunks]
* @param {number} [props.chunkSize]
*/
constructor(props = {}) {
super();
/**
* @private
* @type {?FileId}
*/
this._fileId = null;
/**
* @private
* @type {?Uint8Array}
*/
this._contents = null;
/**
* @private
* @type {number}
*/
this._maxChunks = 20;
/**
* @private
* @type {number}
*/
this._chunkSize = 4096;
this._defaultMaxTransactionFee = new _Hbar.default(5);
if (props.fileId != null) {
this.setFileId(props.fileId);
}
if (props.contents != null) {
this.setContents(props.contents);
}
if (props.maxChunks != null) {
this.setMaxChunks(props.maxChunks);
}
if (props.chunkSize != null) {
this.setChunkSize(props.chunkSize);
}
/** @type {List<TransactionId>} */
this._transactionIds = new _List.default();
}
/**
* @internal
* @param {HashgraphProto.proto.ITransaction[]} transactions
* @param {HashgraphProto.proto.ISignedTransaction[]} signedTransactions
* @param {TransactionId[]} transactionIds
* @param {AccountId[]} nodeIds
* @param {HashgraphProto.proto.ITransactionBody[]} bodies
* @returns {FileAppendTransaction}
*/
static _fromProtobuf(transactions, signedTransactions, transactionIds, nodeIds, bodies) {
const body = bodies[0];
const append = /** @type {HashgraphProto.proto.IFileAppendTransactionBody} */
body.fileAppend;
let contents;
for (let i = 0; i < bodies.length; i += nodeIds.length) {
const fileAppend = /** @type {HashgraphProto.proto.IFileAppendTransactionBody} */
bodies[i].fileAppend;
if (fileAppend.contents == null) {
break;
}
if (contents == null) {
contents = new Uint8Array( /** @type {Uint8Array} */fileAppend.contents);
continue;
}
/** @type {Uint8Array} */
const concat = new Uint8Array(contents.length + /** @type {Uint8Array} */fileAppend.contents.length);
concat.set(contents, 0);
concat.set( /** @type {Uint8Array} */fileAppend.contents, contents.length);
contents = concat;
}
return _Transaction.default._fromProtobufTransactions(new FileAppendTransaction({
fileId: append.fileID != null ? _FileId.default._fromProtobuf( /** @type {HashgraphProto.proto.IFileID} */
append.fileID) : undefined,
contents: contents
}), transactions, signedTransactions, transactionIds, nodeIds, bodies);
}
/**
* @returns {?FileId}
*/
get fileId() {
return this._fileId;
}
/**
* Set the keys which must sign any transactions modifying this file. Required.
*
* All keys must sign to modify the file's contents or keys. No key is required
* to sign for extending the expiration time (except the one for the operator account
* paying for the transaction). Only one key must sign to delete the file, however.
*
* To require more than one key to sign to delete a file, add them to a
* KeyList and pass that here.
*
* The network currently requires a file to have at least one key (or key list or threshold key)
* but this requirement may be lifted in the future.
*
* @param {FileId | string} fileId
* @returns {this}
*/
setFileId(fileId) {
this._requireNotFrozen();
this._fileId = typeof fileId === "string" ? _FileId.default.fromString(fileId) : fileId.clone();
return this;
}
/**
* @returns {?Uint8Array}
*/
get contents() {
return this._contents;
}
/**
* Set the given byte array as the file's contents.
*
* This may be omitted to append an empty file.
*
* Note that total size for a given transaction is limited to 6KiB (as of March 2020) by the
* network; if you exceed this you may receive a HederaPreCheckStatusException
* with Status#TransactionOversize.
*
* In this case, you will need to break the data into chunks of less than ~6KiB and execute this
* transaction with the first chunk and then use FileAppendTransaction with
* FileAppendTransaction#setContents(Uint8Array) for the remaining chunks.
*
* @param {Uint8Array | string} contents
* @returns {this}
*/
setContents(contents) {
this._requireNotFrozen();
this._contents = contents instanceof Uint8Array ? contents : utf8.encode(contents);
return this;
}
/**
* @returns {?number}
*/
get maxChunks() {
return this._maxChunks;
}
/**
* @param {number} maxChunks
* @returns {this}
*/
setMaxChunks(maxChunks) {
this._requireNotFrozen();
this._maxChunks = maxChunks;
return this;
}
/**
* @returns {?number}
*/
get chunkSize() {
return this._chunkSize;
}
/**
* @param {number} chunkSize
* @returns {this}
*/
setChunkSize(chunkSize) {
this._chunkSize = chunkSize;
return this;
}
/**
* Freeze this transaction from further modification to prepare for
* signing or serialization.
*
* Will use the `Client`, if available, to generate a default Transaction ID and select 1/3
* nodes to prepare this transaction for.
*
* @param {?import("../client/Client.js").default<Channel, *>} client
* @returns {this}
*/
freezeWith(client) {
super.freezeWith(client);
if (this._contents == null) {
return this;
}
const chunks = Math.floor((this._contents.length + (this._chunkSize - 1)) / this._chunkSize);
if (chunks > this._maxChunks) {
throw new Error(`Contents with size ${this._contents.length} too long for ${this._maxChunks} chunks`);
}
let nextTransactionId = this._getTransactionId();
// Hack around the locked list. Should refactor a bit to remove such code
this._transactionIds.locked = false;
this._transactions.clear();
this._transactionIds.clear();
this._signedTransactions.clear();
for (let chunk = 0; chunk < chunks; chunk++) {
this._transactionIds.push(nextTransactionId);
this._transactionIds.advance();
for (const nodeAccountId of this._nodeAccountIds.list) {
this._signedTransactions.push(this._makeSignedTransaction(nodeAccountId));
}
nextTransactionId = new _TransactionId.default( /** @type {AccountId} */nextTransactionId.accountId, new _Timestamp.default( /** @type {Timestamp} */nextTransactionId.validStart.seconds, /** @type {Timestamp} */nextTransactionId.validStart.nanos.add(1)));
}
this._transactionIds.advance();
this._transactionIds.setLocked();
return this;
}
/**
* @returns {ScheduleCreateTransaction}
*/
schedule() {
this._requireNotFrozen();
if (this._contents != null && this._contents.length > this._chunkSize) {
throw new Error(`cannot schedule \`FileAppendTransaction\` with message over ${this._chunkSize} bytes`);
}
return super.schedule();
}
/**
* @param {import("../client/Client.js").default<Channel, *>} client
* @param {number=} requestTimeout
* @returns {Promise<TransactionResponse>}
*/
async execute(client, requestTimeout) {
return (await this.executeAll(client, requestTimeout))[0];
}
/**
* @param {import("../client/Client.js").default<Channel, *>} client
* @param {number=} requestTimeout
* @returns {Promise<TransactionResponse[]>}
*/
async executeAll(client, requestTimeout) {
if (!super._isFrozen()) {
this.freezeWith(client);
}
// on execute, sign each transaction with the operator, if present
// and we are signing a transaction that used the default transaction ID
const transactionId = this._getTransactionId();
const operatorAccountId = client.operatorAccountId;
if (operatorAccountId != null && operatorAccountId.equals( /** @type {AccountId} */transactionId.accountId)) {
await super.signWithOperator(client);
}
const responses = [];
let remainingTimeout = requestTimeout;
for (let i = 0; i < this._transactionIds.length; i++) {
const startTimestamp = Date.now();
const response = await super.execute(client, remainingTimeout);
if (remainingTimeout != null) {
remainingTimeout = Date.now() - startTimestamp;
}
await response.getReceipt(client);
responses.push(response);
}
return responses;
}
/**
* @param {Client} client
*/
_validateChecksums(client) {
if (this._fileId != null) {
this._fileId.validateChecksum(client);
}
}
/**
* @override
* @internal
* @param {Channel} channel
* @param {HashgraphProto.proto.ITransaction} request
* @returns {Promise<HashgraphProto.proto.ITransactionResponse>}
*/
_execute(channel, request) {
return channel.file.appendContent(request);
}
/**
* @override
* @protected
* @returns {NonNullable<HashgraphProto.proto.TransactionBody["data"]>}
*/
_getTransactionDataCase() {
return "fileAppend";
}
/**
* @override
* @protected
* @returns {HashgraphProto.proto.IFileAppendTransactionBody}
*/
_makeTransactionData() {
const length = this._contents != null ? this._contents.length : 0;
const startIndex = this._transactionIds.index * this._chunkSize;
const endIndex = Math.min(startIndex + this._chunkSize, length);
return {
fileID: this._fileId != null ? this._fileId._toProtobuf() : null,
contents: this._contents != null ? this._contents.slice(startIndex, endIndex) : null
};
}
/**
* @returns {string}
*/
_getLogId() {
const timestamp = /** @type {import("../Timestamp.js").default} */
this._transactionIds.current.validStart;
return `FileAppendTransaction:${timestamp.toString()}`;
}
}
// eslint-disable-next-line @typescript-eslint/unbound-method
exports.default = FileAppendTransaction;
_Transaction.TRANSACTION_REGISTRY.set("fileAppend", FileAppendTransaction._fromProtobuf);Выполнить команду
Для локальной разработки. Не используйте в интернете!